mihardy25
mihardy25 mihardy25
  • 22-03-2017
  • Mathematics
contestada

What is the radius in feet of a circle that contains 78.5 square feet?

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irspow
irspow irspow
  • 22-03-2017
a=pr^2

r=(a/p)^(1/2)

r=(78.5)^(1/2) ft

r=5 ft (to the nearest one-hundredth)
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